97290289099 has 2 divisors, whose sum is σ = 97290289100. Its totient is φ = 97290289098.

The previous prime is 97290289093. The next prime is 97290289139. The reversal of 97290289099 is 99098209279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97290289099 - 2³ = 97290289091 is a prime.

It is a super-3 number, since 3×97290289099³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97290289099.

It is not a weakly prime, because it can be changed into another prime (97290289091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48645144549 + 48645144550.

It is an arithmetic number, because the mean of its divisors is an integer number (48645144550).

Almost surely, 2^97290289099 is an apocalyptic number.

97290289099 is a deficient number, since it is larger than the sum of its proper divisors (1).

97290289099 is an equidigital number, since it uses as much as digits as its factorization.

97290289099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13226976, while the sum is 64.

The spelling of 97290289099 in words is "ninety-seven billion, two hundred ninety million, two hundred eighty-nine thousand, ninety-nine".